Observations do not indicate that cloud nucleus concentrations parallel those of sulphur dioxide . 观测没有表明云核浓度与二氧化硫浓度相关。
2.
It is legitimate to envisage a more or less one-to-one correspondence between cloud nucleus concentration and the concentration of cloud droplets . 拟想云核浓度与云滴浓度之间有或多或少的一一对应关系是合理的。
